{
  "annotation_id": "e501c134-df72-420a-9e87-c0603e04fd72",
  "date_created": "2026-03-02T18:00:18.583000Z",
  "date_modified": "2026-03-02T18:00:18.583000Z",
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  "private": false,
  "record": {
    "abstract": "The hadronic properties of the pionium ion (Coulomb bound system of three\ncharged pions) are estimated using the results for the positronium ion\n$P{s}^{-}$. It turns out that the hadronic shift of the ground state energy and\nthe lifetime of the pionium ion are approximately the same as for pionium.",
    "arxiv_id": "nucl-th/9704037",
    "authors": [
      "G. Rasche",
      "A. Gashi"
    ],
    "categories": [
      "nucl-th",
      "hep-ph"
    ],
    "doi": "10.1016/S0370-2693(97)00635-7",
    "journal_ref": "Phys.Lett. B404 (1997) 375-376",
    "title": "Hadronic Effects in the Pionium Ion",
    "url": "https://arxiv.org/abs/nucl-th/9704037"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "421d8854-526b-455b-9aa1-73f01b34d863",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}